Potassium

Did you know you need potassium, potassium, potassium?
It’s potassium that lets you move this way and that.
It travels through blood veins,
And crosses cell membranes,
So your cells can send out messages this way and that.

Did you know you need potassium, potassium, potassium?
Did you know you need potassium to make your heart beat?
Potassium ions
Charge muscles and neurons.
So be sure you get potassium in foods that you eat.